Financial assets sold under repurchase agreements – Summary of Disclosure Of Detailed Information of Repurchase And Reverse Repurchase Agreements Explanatory (Detail) - CNY (¥) ¥ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Notes and other explanatory information [abstract] | ||
| Principal | ¥ 1,661,960 | ¥ 782,397 |
| Accrued interest | 48 | 62 |
| Total | ¥ 1,662,008 | ¥ 782,459 |